{
   "epochs": [ {
      "calculation_time": "13371101046207948",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379441848419955",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C5DCF22D9E57C4FFDE45DC00A8EDDE78E8EC17BEDDFD52BCD8A6BAE81E366EE6",
   "next_scheduled_calculation_time": "13380046648420200"
}
